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Module 1.3 – How to read a phylogenetic tree

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Overview: This module describes the anatomy of phylogenetic trees and how to interpret them in the context of transmission.

Posted: 01/08/21

Presenter: Michael Weigand, PhD​ (view bio)
Bioinformatician, CDC

Download Presentation Slides pdf icon[PDF – 28 slides]

Further Reading:

  1. How to read a phylogenetic tree.external icon
    Rambaut (blog). ARTIC Network, 2018.
  2. How to interpret phylogenetic trees.external icon
    Hodcroft, et al. Nextstrain.org, 2020.
  3. Cryptic transmission revealed by genomic epidemiology.external icon
    Bedford (blog), 2020.
  4. Genomic epidemiology playbook — a primer on uses and interpretation.external icon
    Bell. Nextstrain.org.

Additional Resources:

  1. Tracking the genomic footprints of SARS-CoV-2 transmission.external icon
    Lam, et al. Trends Genet, 2020.
  2. Genomic surveillance reveals multiple introductions of SARS-CoV-2 into Northern California.external icon
    Deng, et al. Science, 2020.
  3. Rapid SARS-CoV-2 whole-genome sequencing and analysis for informed public health decision-making in the Netherlands.external icon
    Munnink, et al. Nat Med, 2020.
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Page last reviewed: September 3, 2021
Content source: Centers for Disease Control and Prevention